Comparison

GTViewer vs DokuMan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GTViewer

This application allows users to download and view geospatial data on Apple devices without an internet connection. It functions similarly to a web-based counterpart but is designed for offline use.

Highlights
  • Offline geospatial data viewing
  • Downloadable data
  • Apple device compatibility
  • Geospatial data visualization
Features
Read full description

GTViewer downloads geospatial data for viewing on an Apple device like GTWeb, but in an offline fashion.

About

DokuMan

Features
Read full description

Moving to Germany is exciting. The paperwork is not. Steuer-ID, Anmeldung, Krankenversicherungsnummer, Rentenversicherungsnummer, IBAN - Germany has a number or document for everything. And when you need one, you need it right now, at the counter, under pressure, with someone staring at you. DokuMan is the one place where all of it lives. Store your documents Personalausweis, Reisepass, Meldebescheinigung, Führerschein, Aufenthaltstitel - scan them once, find them instantly. Organized by category so nothing gets buried. Keep your numbers at your fingertips Steuer-ID, Rentenversicherungsnummer, Krankenversicherungsnummer, IBAN, Kundennummer - stored with a one-tap copy button. No more digging through emails or old PDFs. Scan paper documents Turn paper letters and forms into clean PDFs in seconds. Everything in one place, digital and organized. Built for life in Germany Not a generic document scanner. Not a cloud drive. DokuMan is designed specifically around German bureaucracy - the documents Germans actually carry, and the numbers German authorities actually ask for. Stop leaving the Bürgeramt empty-handed. Download DokuMan and get organized before your next appointment.

Screenshots

GTViewer3 screens
DokuMan4 screens

Verdict

The call

The clearest difference is in-app purchases: GTViewer at none against DokuMan's 1. GTViewer also leads on update cadence (monthly vs every 2 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DokuMan sells 1 one-off in-app purchase. GTViewer asks for nothing beyond the download.

UpkeepUpdate frequency

GTViewer ships an update monthly, DokuMan every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
GTViewer versus DokuMan: the parameters behind the verdict, then further details
ParameterGTViewerDokuMan
PriceFreeFree
Rating3.8 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size25 MB4 MB
Age rating4+4+
DeveloperGraphic Technologies, Inc.Aleksandrs Bertulis

In-app purchases

None

GTViewer

No in-app purchases

1 purchases

DokuMan

One-time1
  • DokuMan Pro - Lifetime$6.99

Questions

Is GTViewer free?
GTViewer is free to download, with no in-app purchases.
Is DokuMan free?
DokuMan is free to download, with in-app purchases available.
Do GTViewer or DokuMan have ads?
Neither GTViewer nor DokuMan shows ads.
Which is updated more often, GTViewer or DokuMan?
GTViewer ships an update monthly, and DokuMan every 2 months. Most recently, GTViewer was updated on October 24, 2026 and DokuMan on October 20, 2026.

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